Acquire announced the service end of the smartphone RPG game, Road to Dragons. This game released in 2013 February and after 4 years Acquire going to end the service on April 24, 2017.
You can get refund for your Rainbow Crystals and the 9.9.0 update also announced and a last one the 10.0.0 is also on the way which includes a unit figurebook with all the details of them from the past years.
In this link you can read the details about the refund and the message about the service end. We are sad. URL: http://smartphone.acquire.co.jp/rtd/support/20170313_140000.html